Arm or Ally AR10 Nickel Boron Bolt Carrier Group


Premium BCG, Manufactured by Toolcraft, Featuring the Arm or Ally Logo

Out of stock

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Arm or Ally AR10 Nickel Boron Bolt Carrier Group

Made in the U.S.A – Lifetime Warranty

Manufactured by Toolcraft to Arm or Ally specification,  the Arm or Ally AR10 Nickel Boron Bolt Carrier Group is a Full Auto BCG, manufactured using a 9310 steel bolt and a 8620 steel carrier.  Together they make up one of the most popular, and well built AR10 bolt carrier groups on the market.  As one of the internet’s largest dealers of Toolcraft products, we’re proud to have our logo laser engraved on this BCG.   Toolcraft is a major OEM manufacturer for the U.S. Military and many other rifle manufacturers.   Have confidence it’s 100% made in North Carolina, USA.  If ever a problem, simply call Toolcraft and they will take excellent care of you with their no questions asked Lifetime Warranty.

** See our entire selection of AR10 BCG’s **

Carrier Specifications

Manufacturer:  Toolcraft
Material: 8620 Steel
Type:  Full Auto (Preferred for most AR-10 builds)
Gas Key Material:  4130 Steel; Grade 8 Gas Key Screws
Coating:  NiB | Nickel Boron
Engraving: Arm or Ally Logo

Forward Serrations: Yes

Compatibility:  DPMS

Bolt Specifications

Bolt Material: 9310 Steel
Extractor Material: Steel
Caliber:  308 Win & 6.5 Creedmoor compatible.
Mil-Spec O-Ring
Mil-Spec Gas Rings (3)
Cam Pin Material: 4140 Steel
Firing Pin Material: 8740 Stainless Steel
Other: MPI Inspected; DPMS Compatible

MSRP: $229.99

[/vc_column_text][porto_block name=”product-arm-or-ally”][vc_separator][vc_column_text]Arm or Ally is a stocking dealer for all Faxon Firearms, Ballistic Advantage, Rosco Manufacturing, Aero Precision, Toolcraft, Elftmann Tactical, HIPERFIRE and more. See our growing inventory of AR Parts and Reloading Components.[/vc_column_text][/vc_column][/vc_row]

Weight 18 oz
Dimensions 9 × 2 × 2 in
Coating Type

Nickel Boron



Part Type

Bolt Carrier Group, Upper Receiver Parts




308 Win, 6.5 Creedmoor

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